The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 03, 2017
Filed:
Aug. 03, 2015
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Kazuo Terauchi, Numazu, JP;
Yojiro Hotta, Mishima, JP;
Takeshi Naka, Suntou-gun, JP;
Motohide Shiozawa, Mishima, JP;
Shohei Tsuda, Suntou-gun, JP;
Masami Fujimoto, Suntou-gun, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/125 (2006.01); G03G 9/08 (2006.01); G03G 9/09 (2006.01); G03G 13/08 (2006.01); G03G 9/097 (2006.01);
U.S. Cl.
CPC ...
G03G 9/0827 (2013.01); G03G 9/0819 (2013.01); G03G 9/09 (2013.01); G03G 9/09716 (2013.01); G03G 13/08 (2013.01);
Abstract
A toner having compatibility between transfer properties and cleaning properties is provided. A toner wherein a fine particle A containing a primary particle having a number average particle diameter (D1) of 80 nm or more and 400 nm or less is present on the surface of a toner particle at a coverage ratio of 5 to 40%, a fixing rate of 30 to 90% by mass, and a variation coefficient of 0.1 to 0.5 in a region of 0.5 πμm.